CN108138845B - Method for manufacturing linear unit - Google Patents
Method for manufacturing linear unit Download PDFInfo
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- CN108138845B CN108138845B CN201680059801.2A CN201680059801A CN108138845B CN 108138845 B CN108138845 B CN 108138845B CN 201680059801 A CN201680059801 A CN 201680059801A CN 108138845 B CN108138845 B CN 108138845B
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- China
- Prior art keywords
- guide rail
- slide body
- leading edge
- rail assembly
- linear
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C29/00—Bearings for parts moving only linearly
- F16C29/04—Ball or roller bearings
- F16C29/048—Ball or roller bearings with thin walled races, e.g. tracks of sheet metal
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/30—Parts of ball or roller bearings
- F16C33/58—Raceways; Race rings
- F16C33/588—Races of sheet metal
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/30—Parts of ball or roller bearings
- F16C33/58—Raceways; Race rings
- F16C33/64—Special methods of manufacture
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C2220/00—Shaping
- F16C2220/40—Shaping by deformation without removing material
- F16C2220/42—Shaping by deformation without removing material by working of thin walled material such as sheet or tube
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Bearings For Parts Moving Linearly (AREA)
Abstract
It is proposed a kind of method for manufacturing linear unit (1), the sliding block (4) that linear unit is had main casing (7) and is movably guided at which by means of linear guide apparatus (6).Sliding block (4) has the slide body (24) made of metal with U-shaped cross-section, there are two leading edge legs (33 for its tool, 34), it is configured with the second guide rail assembly (48) respectively at which, the first guide rail assembly (47) that is opposite and setting limits traveling gap (54) together with main casing (7) for it, and roller element component (55) are accommodated in traveling gap.In order to obtain the prestressing force of restriction within linear guide apparatus (6), radiate slide body (24) so with energy before it is assembled, so that leading edge leg (33,34) with scheduled amount deformation, so that it is sticked at roller element (56) with the prestressing force of restriction in the assembled state.
Description
Technical field
The present invention relates to a kind of methods for manufacturing linear unit, with main casing and by means of linear guide apparatus
The sliding block that linearly can be movably guided on the axis direction of the longitudinal axis of linear unit about main casing, wherein in main casing
The band of linear guide apparatus is disposed at body, and there are two the of the first guide rail assembly being separated from each other perpendicular to longitudinal axis
One guide structure, and be disposed at sliding block the band of linear guide apparatus there are two be also perpendicular to longitudinal axis to be separated from each other
The second guide rail assembly the second guide structure, wherein the first and second guide rail assemblies are vacating traveling gap
In the case of it is opposite in couples and set, and be disposed in each traveling gap and correspondingly rollably stick on two with multiple
The roller element component of roller element at the guide rail assembly in a associated traveling gap of limitation, wherein sliding block has
The slide body of single type made of metal with U-shaped cross-section, and the second guide rail assembly construction is in slide body
Two at the leading edge leg that the centre portion of slide body extends away from the direction towards main casing downwards.
Background technique
A kind of linear unit manufactured according to preceding method, is configured to line as known to 2014/206429 A1 of file WO
Property driving portion and have about the linearly displaceable sliding block of main casing.Sliding block is supported on main casing by means of linear guide apparatus
Place, wherein there are two the first guide rail assemblies being arranged at main casing and two to be arranged in sliding block for linear guide apparatus tool
Second guide rail assembly at place, wherein two guide rail assemblies extend on the longitudinal direction of linear unit.In couples
Traveling gap, the roller element group of linear guide apparatus are limited respectively between the first and second guide rail assemblies set relatively
Part is located in the traveling gap, and roller element component is made of multiple roller elements, in the case where the linear movement of sliding block
It is rolled at two associated guide rail assemblies.Second guide rail assembly construction is sliding in the U-shaped of the single type from sliding block
At the leading edge leg of the centre portion chamfering of block.Two guide rail assemblies are formed by guiding groove, are configured to the idler wheel of spin
Element is sunk in the guiding groove.In order to form the guiding groove of leading edge leg, each leading edge leg can have in cross section
The moulding of bending or guiding groove are brought into leading edge leg by machining.
In order to obtain high guidance accuracy, after modeling process in the known process will guiding groove repolish
And/or polishing.However, consuming related to this can not ignore and lead to relatively high manufacturing cost.In addition, by repolishing
It can compensate for only slight tolerance variations with re-polishing, thus in order to ensure the high guidance accuracy and thus of linear guide apparatus
The inside prestressing force of required restriction, it is desirable that, used idler wheel is specifically selected according to the width diameter in traveling gap
Element with high time consumption and further improves manufacturing cost.
Linear guide apparatus can be manufactured using the manufacturing method as known to 101 30 086 A1 of file DE, two wherein
Sliding members is movably supported each other by means of the rolling body of centre connection.In order to make rolling body through the prestressing force of circumscribed,
Make that sliding member with U-shaped cross-section and with the join domain extended between two flank regions of sliding members
Part is subjected to particularly handling.Here, first by heat treatment or by mechanically or chemically handling on the surface of entire sliding members
Remaining compression region is generated in region.And then will connect the join domain of lateral wing area by machining inwardly or
Thoroughly bending outward, this causes the variation of the orientation of wing area and the thus prestressing force in influence to rolling body.
It is known that in the case where hydrokinetic slidably supported body by 6 073 337 A of file US through the table of heat
Surface treatment is by means of the material stress inside laser beam releasing.
A kind of linear guide apparatus as known to 1 820 982 A2 of file EP, equipped with for adjusting prestressed dress
It sets.The device is manipulated according to the principle of elbow shaped rod come work and by means of adjusting bolt.
A kind of linear drives as known to 10 2,011 016 282 A1 of file DE, with driven sliding block, with quilt
Referred to as sliding stand and pass through be crushed to, guiding segments be in U-shape on cross section, single type.
A kind of method by linear guide track installation on base unit as known to 43 01 435 A1 of file DE.?
In the case where assembling, previous by means of being adjusted after the measurement of laser beam by means of adjusting bolt.In order to ensure phase
And then casting by means of cured filler also occurs for the adjustment of pass.
Summary of the invention
The purpose that the present invention is based on is to propose a kind of method, accuracy and however that can be high using this method
Still manufacture linear unit to cost-effective.
In order to realize the purpose, the prestressing force for limiting roller element component is clamped in the guide rail group for being associated with it
Between part, wherein pass through pre- the answering of at least one lasting bending adjustment restriction carried out about centre portion of leading edge leg
Power, wherein facilitated by being radiated by means of energy for the transitional region between centre portion and leading edge leg of slide body
Of short duration heating cause the bending of leading edge leg.
The prestressing force that restriction can be obtained within linear guide apparatus in this way, without being used for roller element component
Size relatively individually selects roller element.Restriction is individually adjusted in the case where actively considering the size of roller element
Prestressing force.Thus this occurs, i.e., so make at least one bending of leading edge leg after the slide body that U-shaped is made, that is, close
Ruler to a certain extent is obtained in the sum of the double diameter of the spacing and roller element that measure between the first guide rail assembly
Very little deficiency.This leads to the elastic deformation slightly of leading edge leg in the state of installation, thus causes pretightning force, which specify lines
The prestressing force of the inside of property guide device.Pass through the transitional region between slide body and relevant leading edge leg of slide body
Energy radiation cause one or two leading edge leg restriction bending, more specifically its in leading edge leg should be towards it
On that curved side.Caused by radiating relevant heat input to energy, after cooling comprising stress in a metal
It is released from and thus with angle change.Heating can be related to the fusing of the part of slide body material, is however considered
It should further be appreciated that in order to avoid unexpected joint change avoids fusing just.Nevertheless, according to the method for the present invention not
It only however is particularly suitable for manufacturing its slide body being the linear unit for being bent and deformed manufactured plate, because making here
There are relatively large tolerance variations during making, it absolutely can be up to 0.3mm in terms of the width in traveling gap.In order to provide line
Property guide device restriction prestressing force, it is public by means of then especially can also compensate for relatively large manufacture according to the method for the present invention
Difference.
It learns according to the present invention and of the invention is advantageously improved scheme.
In order to adjust prestressing force, there are following possibilities, that is, in terms of centre portion by energy radiate and it is related to this
The heat input constantly only one or two leading edge legs in the leg of curved guide side.In order to ensure symmetry dimensionally,
It is recommended that making two leading edge leg deformation in the same amount always.
Laser beam is preferably used for energy radiation.Laser beam is particularly well suited for targeted energy
Input the damage together with only local influence and the bigger region without slide body material.Alternatively, such as also can be used etc.
Ion beam heats.
Preferably, by means of following the longitudinal axis of slide body at least one and preferably each transitional region of slide body
The continuous radiation curve of the axis direction of line carries out energy radiation.The longitudinal axis of slide body is in the use position of the assembly of slide body
The longitudinal axis extension of linear unit is parallel in setting.
As the alternative for continuous radiation, it is applicable in point-by-point radiation curve, is distributed point by point multiple wherein
Caused local, point-by-point energy input at position in transitional region by means of suitable energy beam.
Radiation treatment can also be the combination being made of continuous and point-by-point radiation curve.
It can be with the unique irradiation stage of only one or by means of multiple phases in time at one or two transitional region
After irradiation stage execute energy radiation.In the case where continuous radiation curve, there is following possibility, that is, then with only
One beam excess of stroke (Strahlueberlauf) realizes radiation by means of multiple successive beam excess of stroke.
In order to match energy input according to demand, in the method suitably not only can be changed energy beam movement speed and
And radiation energy itself can be changed.
When the mistake to be heated for being close to slide body in the state being mounted in main casing in the position of use in sliding block
When crossing region, energy input can occur in the case where the sliding block of installation.However it is preferred that a kind of ways and means, wherein in sliding block
The energy radiation of slide body is executed from the state that main casing is removed.
In the suitable design scheme of this method, the second guide rail assembly construction is in two leading edge legs towards that
At this inside.
The guiding groove that guide rail assembly is suitably extended on the longitudinal direction of linear unit through at least one respectively
To limit.Guiding groove is pressed into the relevant leading edge leg of slide body particularly by elastic deformation.Advantageously, these draw
Guide groove is located at the inside of the facing each other of leading edge leg so that sliding block its installation using in position with slide body preferably
Overlap to cursor type the first guide structure being arranged at main casing.Energy radiation is suitably carried out in the bottom side of slide body, i.e.,
It is carried out within the inner space of slide body limited by centre portion and two leading edge legs.The case where executing this method
In, slide body is preferably so placed, so that two leading edge leg is directed toward.
For obtaining the prestressing force of suitable restriction in linear guide apparatus basis especially slide body with
Lower design scheme, that is, the theoretical spacing measured between two the second guide rail assemblies before assembling linear guide apparatus
Roller element group there are two having with the spacing and linear guide apparatus measured between two the first guide rail assemblies
It is the double diameter of part-roller element and poor with a certain amount.Caused by amount difference, two leading edge legs are in assembly
By being supported on the slightly elastic deformation of the roller element at the first guide rail assembly in the case where slide body, this facilitates internal
Stress, the stress cause the prestressing force limited.However, due to manufacturing tolerance, in aforementioned ruler in the case where each linear unit
Certain difference is obtained in very little.In order to implement this method, therefore correspondingly exist after suitably being measured after manufacturing slide body
Between two the second guide rail assemblies existing practical spacing and with equally surveyed between two the first guide rail assemblies
The spacing obtained is made comparisons.Deformation quantity is and then determined based on comparative result and in the case where considering the diameter of roller element,
In order to be bent leading edge leg, in order to obtain following theoretical spacing, the theory spacing between the second guide rail assembly
Facilitate the prestressing force of pursued restriction in the assembled state of linear unit.After the deformation quantity has been determined, by above-mentioned
Energy radiation is bent the transitional region between centre portion and one or two leading edge leg so, so that occurring being pursued
Theoretical spacing.Since this method step preferably executes in the still knocked-down state of slide body, and then make sliding block
Body is combined in the case where centre couples roller element component with the first guide rail assembly, wherein leading edge leg elasticity is curved
Bent and especially diverging from one another, this causes the prestressed structure illustrated of desired restriction.
Preferably, after the deformation quantity needed for determining the theoretical spacing pursued for acquisition, energy is radiated in sliding block
Transitional region between the centre portion of body and two leading edge legs, in order to make thus caused by heat treatment incur leading edge
The bending of leg.Here, the radiation of two transitional regions can be according to the outfit for executing device used in this method simultaneously
Or it executes in succession in time.Anyway advantageously, two leading edge legs are curved in the same amount by practical spacing
It is bent.
Optionally, this method can be supplemented with other method and step.It is arranged to, and has the sliding block of practical spacing in manufacture
The collimation between two the second guide rail assemblies is first checked for after body.And then accurate according to finally determining molding
The position of degree makes one or two of existing transitional region between slide body and leading edge leg be subjected to the pre- spoke of point-by-point energy
It penetrates, in order to incur the local deformation of slide body, establishes the collimation between two the second guide rail assemblies.Implementing
This method step is executed later for generating the prestressed measure limited.
Preferably, the collimation between the first guide rail assembly is also checked for.Here, if it is determined that molding is accurate
Degree then radiates main casing by energy point by point to establish collimation between the first guide rail assembly.
Linear unit is suitably made with spherical roller element, alternatively, however for example can also be with aciculiform or roller shape
Roller element is realized.
Each guide rail assembly suitably has only one uniquely on the axis direction of the longitudinal axis of linear unit
The guide rail of extension.However, correspondingly can also realize guide rail assembly by means of multiple guide rails parallel to each other.Often
A guide rail suitably carrys out structure in the form of the guiding groove linearly extended on the axis direction in the longitudinal axis of linear unit
It makes.
Linear unit can be constructed so, so that there is no effective except linear guide apparatus between main casing and sliding block
Connection.This is then for example the case where linear unit serves generally as the linear guide portion for mechanical part or other objects
In be such.However, linear unit can also be achieved linear driving portion, equipped with driving element, in order to can be initiatively
Sliding block is caused to move relative to the linear route of main casing.
Detailed description of the invention
Next the present invention is elaborated with reference to the accompanying drawings.Wherein:
Fig. 1, which is shown in perspective, implements shape by possible the one of linear unit made according to the method for the present invention
Formula,
Fig. 2 to show the linear unit of Fig. 1 according to the cross section of the section line II-II in Fig. 1,
Fig. 3 is shown in cross section again in the case where being not illustrated optional driving element visible in fig. 2
The perspective view of linear unit,
The orientation that Fig. 4 is rotated with 180 ° shows the detailed view of the perspective of the sliding block of linear unit, and
Fig. 5-7 show across in the case where executing the manufacturing method with corresponding to different phase different shaping one
The cross section of the slide body of part formula.
Specific embodiment
Fig. 1 to 3 shows the whole linear unit indicated with appended drawing reference 1, by means of making according to the method for the present invention
At.
Linear unit 1 has to better discriminate between and the shell of referred to as main casing 7 and in this regard in the linear row of implementation
The sliding block 4 that linearly can be reciprocatingly supported in the case where Cheng Yundong 3.Sliding block 4 also to illustrate reversedly again in Fig. 4 in detail
Middle diagram illustrating.
The longitudinal axis 5 that there is linear unit 1 chain-dotted line to show, wherein axis direction of the stroke motion 3 in the longitudinal axis 5
Upper orientation.Sliding block 4 can be moved upwards about main casing 7 in reciprocal axial movement side.
Sliding block 4 is arranged in except main casing 7.It is responsible for making with the linear guide apparatus that appended drawing reference 6 indicates on the whole
Sliding block 4 is supported perpendicular to longitudinal axis 5 about main casing 7 and can be guided to linear displacement to implement stroke motion 3.
Sliding block 4 has longitudinal axis 2, is installed in having and longitudinal axis 5 in main casing 7 using in position in sliding block 4
Identical orientation.
Preferably, linear unit 1 is configured to linear drives 1a.This meets the embodiment.In this regard, linear unit 1
Equipped with driving element 8, drive of stroke motion 3 is worked and can will caused by means of it between main casing 7 and sliding block 4
Power is transmitted on sliding block 4.
Driving element 8 is preferably at least partially installed on the inside of main casing 7.Illustratively, it includes axially in master
The drive rod 12 of 7 internal stretch of shell stretches out from main casing 7 at end side and is fixed on sliding block 4 except main casing 7
At drivening piece section 13.Fixation is illustratively realized by means of fixing bolt 14.In the inside of main casing 7 at drive rod 12
It is fixed with driving piston 15, is divided into two driving chambers each other in a manner of not drawing further, driving chamber can drive stream
Body load, in order to generate the driving force of fluid, driving drives piston 15 and thus also drives sliding block 4 so that stroke motion 3.
In unshowned embodiment, driving element 8 is the type of motor and is for example used to drive containing electric drive portion
Dynamic drive rod 12.
Sliding block 4 extends along the top side 18 of main casing 7.It is sliding at least in by the visible base position driven into of attached drawing
Block 4 preferably extends across the whole length of main casing 7.
Front side 22 and in this regard axial opposed rear side 23 of the sliding block 4 with axial orientation.The drive being optionally present
Part section 13 is suitably disposed at front side 22.
Sliding block 4 has slide body 24 made of metal one-piece and being especially made of steel.Optionally drivening piece area
Section 13 is suitably connected in the region of front side 22 with slide body 24 one-piece.
The especially plate body of slide body 24 by metal plate and is especially made of steel plate.In advantageous mode, the embodiment
Slide body 24 be plate benging part, i.e. a kind of ontology, be bent and deformed and generated by the plate blank previously provided.
Here, the initial product of slide body 24 is unshowned plate blank, it is preferably designed so that plate shape.Plate blank
In order to manufacture slide body by by means of one or more suitable flectors by bending deformation at slide body it is desired most
End form shape deforms.Before bending deformation process, correspondingly make plate blank in edge side particularly by suitable cutting measures
Contoured.
Slide body 24 is preferably with the cross section of U-shaped.Its by the centre portion 32 of plate shape and two with this one-piece
The leading edge leg 33,34 being connected forms.Centre portion 32 has longitudinal extension with the preferably plan view of rectangle,
In, one in two leading edge legs 33,34 is connected to two longitudinal direction side via curved or chamfering transitional region 28
Each place.Each leading edge leg 33,34 is preferably configured to strip or band-like.
Slide body 24 has longitudinal axis 2 identical with entire sliding block 4.In addition, slide body has the cross perpendicular to longitudinal axis 2
Axis 38 and perpendicular to longitudinal axis 2 and perpendicular to the vertical axis of transversal line 38 42.Centre portion 32 is substantially perpendicular to vertical pivot
Extend in the plane of line 42.Two leading edge legs 33,34 are separated from each other arrangement on the axis direction of transversal line 38, wherein
Two leading edge legs are respectively provided with longitudinal extension on the axis direction of longitudinal axis 2 and on the axis directions of vertical axis 42
It is extended away from a same direction from slide body 24.
Slide body 24 has bottom side 26.Here be the following longitudinal direction side of slide body 24, that is, above by centre portion 32 and
Laterally it is being unlimited at the longitudinal direction side by the sliding block inner space 27 that two leading edge legs 33,34 limit.Slide body 24 exists
Assembly using in position with its bottom side 26 at the top side 18 for being preceding arranged to main casing 7.Therefore leading edge leg 33,34 is in direction
It is stretched downwards on the direction of main casing 7.
Linear unit 1 has the consistent vertical axis 45 of vertical axis 42 with slide body 24, is formed simultaneously the master of main casing 7
Axis.In addition, linear unit 1 has the transversal line 46 vertical with longitudinal axis 2 and vertical axis 45, there is the cross with slide body 24
The identical orientation of axis 38 is and at the same time form the transversal line of main casing 7.
Be preferably arranged at the top side 18 of main casing 7 the first guide structure 43 tool there are two transversal line 46 axis
The first guide rail assembly 47 being separated from each other on direction is respectively provided with linear vertical on the axis direction of longitudinal axis 5
To extension.Preferably, each first guide rail assembly 47 includes first individually extended on the longitudinal direction of linear unit 1
Guide rail 47a, however completely can also be equipped with two multiple and outstanding first guide rail 47a parallel to each other.Each draw
Guideway 47a is suitably formed by the concave portion of the flute profile extended on the axis direction of longitudinal axis 5.
Two the first guide rail assemblies 47 are preferably arranged to, so that it refers on the axis direction of transversal line 46 from that
This.Preferably, there are two the guide ribs 53 correspondingly extended on the axis direction of longitudinal axis 5 for the tool of main casing 7, in vertical axis
It is stretched upwards on 45 axis direction and there are two one in the first guide rail assembly 47 for construction respectively at which.It is preferred that
Ground, two the first guide rail assemblies 47 are located at the referring on the axis direction of transversal line 46 from mutual outside of guide ribs 53
Place.
Main casing 7 is suitably plate body, by metal plate and is especially made of steel plate as slide body 24.Main casing
7 deform the plate benging part generated by the plate blank previously provided preferably by plate.The manufacture of this and especially cost-effective
It is related.Guide ribs 53 are the component part of the single type of plate benging part and the correspondingly curved side leg section by plate benging part
It is formed.
The slide body 24 being in U-shape in cross-section is arranged in the top of main casing with the downwardly directed U-shaped hole of its cross section
At side 18, wherein bridge joint two as its vernier belongs to first of the guide ribs 53 and construction of the first guide structure 43 at this
Guide rail assembly 47.Guide ribs 53 are sunk in sliding block inner space 27 from lower and at it back to mutual outside quilt
One flanked of difference of two leading edge legs 33,34.Here, each leading edge leg 33,34, especially from Figure 2 it can be seen that online
It is spaced apart in the transverse direction of property unit 1 with the guide ribs 53 of subordinate.
Sliding block 4, it is accurate for slide body 24 there is second to cooperate with the first guide structure 43 of linear guide apparatus 6 to draw
Guide structure 44.Second guide structure 44 includes two leading edge legs, 33,34 and two the second guide rail assemblies 48, structure
It makes at the inside of two facing each other of leading edge leg 33,34, wherein each tool of leading edge leg 33,34 draws there are two second
One in guideway component 48.
Second guide rail assembly 48 includes the second guide rail with the quantity respective numbers of the first guide rail 47a
48a and single second guide rail 48a is thus configured in the case where the embodiment.Each second guide rail 48a is excellent
Selection of land can be configured to the concave portion with the linear channel-shaped longitudinally extended with the first guide rail 47a analogy.Two second are drawn
Guideway component 48 on the longitudinal direction of slide body 24 extend and therefore sliding block 4 installation in the position of use in the case where
It is stretched on the axis direction of longitudinal axis 2.
Second guide rail assembly 48 is constructed one-piece in slide body 24.Preferably, by means of being suitably pressed into
Tool is generated by process of press in, acts on two leading edges in the case where manufacturing slide body 24 by means of the pressing in tool
Each of leg 33,34.
Each first guide rail assembly 47 is with associated second guide rail assembly 48 in the transverse direction side of linear unit 1
It is set relatively at interval on to 46, to retain free space therebetween, next should be referred to as traveling gap 54.
The roller element component 55 of roller element 56 with multiple arranged in succession on the axis direction of longitudinal axis 5 is located at
In each of two traveling gaps 54.Roller element 56 correspondingly sticks on associated first and second guidance as follows
The side of rail assembly 47,48 surrounds at the guide rail 47a, 48a of roller element, so that it can be rolled at this.
When sliding block 4 implements stroke motion 3, roller element 56 is rolling at the guide rail 47a, 48a contacted with it
It moves and that implements to orient on the axis direction of longitudinal axis 5 herein does not transport only about sliding block 4 and about the opposite of main casing 7
It is dynamic.Therefore linear guide apparatus 6 allows stroke motion 3 slightly together with sliding block 4 simultaneously in the transverse plane perpendicular to longitudinal axis 5
In stable support.
Illustratively, roller element 56 is formed by sphere.In unshowned embodiment, roller element 56 is configured to aciculiform
Or roller shape.
Expediently, each roller element component 55 has the guard ring structure 57 of bar shaped, with multiple axis in longitudinal axis 5
The perforation of arranged in succession on line direction, each roller element 56 is kept equidistantly wherein, so that it is in the longitudinal direction side of linear unit 1
It consistently moves upwards.It is advantageous that two guard ring structures 57 are the integrated component parts of coupling structure 58, in conjunction with
Between sliding block 4 and main casing 7 and it is responsible for moving two roller element components 55 can only consistently always.Connection knot
Structure 58 is also, for example, plate benging part.
In the assembled state of linear unit 1, roller element component 55 is clamped in side with the prestressing force of restriction and surrounds it
The first and second guide rail assemblies 47,48.The prestressing force of restriction so selects, so that slide body 24 is about main casing
7 stroke motions slightly for seamlessly being supported transverse to longitudinal axis 5 and however can realizing sliding block 4 about main casing 7
3。
The prestressing force of desired restriction is so realized, that is, realize the linear guide apparatus 6 for having following slide body 24,
In the case where the slide body, the horizontal spacing between two leading edge legs 33,34 is so coordinated in two the first guide rails
The horizontal spacing of component 47 and the diameter of roller element 56, so that two leading edge legs 33,34 are in composition linear guide apparatus 6
Relative to the slightly elastic deformation of centre portion 32 in situation.The material of the inside in the material of slide body 24 is facilitated in the elastic deformation
Thus stress causes reset force, the second guide rail assembly 48 of leading edge leg 33,34 is pressed against idler wheel using the reset force
At element 56, at associated first guide rail assembly 47 that is supported on main casing 7 in terms of it.
The prestressing force for the restriction pursued can method and step particularly simple and accurately next illustrate provide,
In, particular advantage is, the prestressing force of restriction independently can be reproducibly adjusted with the manufacturing tolerance of linear unit 1.I.e.
Keep the linear unit 1 manufactured according to this method different from each other in the manufacturing tolerance of their all parts, they are finally in its line
Property guide device 6 restriction prestressing force on it is consistent.
It is illustrated in Figure 2 the dimensioning of all parts of linear guide apparatus 6, as it is in the linear unit 1 of assembling
In the case where present ground like that.Correspondingly, belong to two the first guide rail assemblies 47 of the first guide structure 43 of main casing 7
Each other with spacing A1 arrangement.Spacing A1 is measured perpendicular to by longitudinal axis 5 with the distracted vertical plane 62 of vertical axis 45.
The roller element 56 being arranged in traveling gap 54 is respectively provided with diameter DW, wherein the advantages of the manufacturing method
In all roller elements 56 can have the same diameter and preferably have the same diameter.Then no longer it is required that being
The prestressing force that adjustment limits employs the bulb diameter specifically and individually selected.
Finally, in the assembled state of linear unit 1, two belong to the second guide structure 44 and are arranged in leading edge leg
The second guide rail assembly 48 at 33,34 has the spacing for referred to as running spacing AB perpendicular to 62 ground of vertical plane each other.
The operation spacing AB is greater than before assembling slide body 24 the existing spacing directly between two the second guide rail assemblies 48,
It should be referred to as theory spacing A2 (S) and identify in Fig. 3.Thus the prestressing force for the restriction pursued causes, that is, U
The slide body 24 of shape is widened in the case where its assembly from theoretical spacing A2 (S) in the case where elastic deformation to operation spacing AB
On.
Operation spacing AB illustratively correspond to by between two the second guide rail assemblies 48 existing spacing A1 and
The sum of the double diameter DW of roller element 56.It is supported on the rolling of two roller element components 55 at the first guide rail assembly 47
Wheel element 56 has each other corresponding to operation spacing AB back to mutual exterior domain in transverse direction 46 and finally provides
The spacing of the operation spacing AB of two the second guide rail assemblies 48.However, at two second before assembling slide body 24
Existing theory spacing A2 (S) is less than operation spacing (Betriebszustand) AB between guide rail assembly 48, wherein
It is so selected away from poor, so that leading edge leg 33,34 is accurately diverging from one another to measure as follows in the case where assembling slide body 24,
The prestressing force limited for causing to be pursued by the amount.
In the case where manufacturing linear unit 1, slide body 24 is brought in such form in still uninstalled state,
That is, the spacing between two the second guide rail assemblies 48 corresponds to the theoretical spacing A2 (S) of aforementioned elaboration.
In order to determine theoretical spacing A2 (S), two first guide rail assemblies 47 of the measurement in separately fabricated main casing 7
Between there are spacing A1.The double diameter DW of roller element 56 is added into the amount obtained herein, because there are two traveling gaps
54, in the roller element 56 for being wherein respectively present a line and being respectively provided with diameter DW.Following amount is subtracted from total amount later,
The amount empirically determined and thus known based on experiment or using relevant calculation method before, leading edge leg
33,34 elastic deformation occurred with the amount leads to the prestressing force of pursued restriction.Thus amount caused by forms theoretical spacing
A2(S)。
And then by means of the ways and means that next illustrate will between two the second guide rail assemblies 48 it is existing between
Away from the predetermined theory spacing A2 (S) for being adjusted to be pursued.
Here, starting point is by suitable formative method with the exact shape system visible in cross-section from Fig. 5
At slide body 24.The slide body 24 with exact shape has had the cross section of U-shaped and in two leading edge leg
One be respectively equipped at the inside of 33,34 facing each other in two the second guide rail assemblies 48.The reality of slide body 24
Shape, which has the special feature that, is, what is measured between two the second guide rail assemblies 48 here should be referred to as practical spacing A2 (I)
Spacing be intentionally greater than the theoretical spacing A2 (S) being set forth above.
Because practical spacing A2 (I) can be subjected to fluctuation caused by tolerance in the case where manufacturing slide body 24, the reality
Border spacing measures after manufacturing the slide body 24 with exact shape.
Slide body 24 with exact shape is in Fig. 5 with excessively consumingly leading edge leg 33,34 diverging from one another illustrates
It shows, in order to be better understood this method process.
And then the pitch difference between the practical spacing A2 (I) measured and the theoretical spacing A2 (S) calculated before is measured.
The pitch difference forms deformation quantity dA, and two leading edge legs 33,34 are bent with having to last for about centre portion 32 with the pitch difference,
In order to make 24 shape of slide body become theoretical shape as seen from Figure 7, wherein between two the second guide rail assemblies 48
The spacing measured is theoretical spacing A2 (S).
It is suitable to determine that deformation quantity dA still makes to be subjected to according to the slide body 24 with exact shape of Fig. 4 and 6 later again
Heat treatment, caused by, one or two leading edge leg 33,34 is in associated transitional region 28 relative to middle area
Section 32 is constantly bent, wherein the spacing measured between two the second guide rail assemblies 48 reduces.The amount that spacing reduces
Corresponding to predetermined deformation quantity dA, wherein illustratively so implement this method, so that deformation quantity dA distinguishes fifty-fifty Horizon
It is distributed in the deformation of two leading edge legs 33,34.Each leading edge leg 33,34 is curved with numerical value dA/2 thus according to arrow 63
It is bent.
After the suitable heat treatment, slide body 24 is as seen from Figure 7 with adjusted theory spacing A2 (S)
Theoretical shape exists, and then in a subsequent step in the case where centre couples roller element component 55 with main casing
7 joints.In the case where the joint, as has been indicated like that, two leading edge legs 33,34 are again diverging from one another, however now
Pure flexibly and also only diverging from one another with scheduled amount, which causes the restriction pursued within linear guide apparatus 6
Prestressing force.
Heat treatment caused by the lasting, plastic bending of leading edge leg 33,34 by slide body 24 centre portion 32 with
The energy of one or two radiation of existing transition zone 28 causes between each leading edge leg 33,34.Corresponding energy beam
It is schematically indicated that in Fig. 4 and Fig. 6 with 64.The radiation of transitional region 28 to be irradiated is in this embodiment from slide body 24
Bottom side, which is risen, to carry out, i.e., in the region of sliding block inner space 27, wherein it is advantageous, however, that energy radiation is in following state
Middle progress, that is, slide body 24 is reversedly arranged in this state, so that its bottom side 26 is directed toward and can be good for radiation
It approaches well.
As already mentioned, radiation can be restricted in the only one of two transitional regions 28.For reasons of symmetry however
Preferably, make two transitional regions 28 be subjected to energy radiation or as shown in Fig. 6 simultaneously through raying or
However in time successively through raying.It is that simultaneously or successive in time radiation occurs, especially additionally depending on can
The radiation device 65 used.Radiation device 65 can be known structure and can produce and emit at least one energy beam
64。
Radiation device 65 is preferably laser radiation equipment, generates at least one laser beam 64 as energy beam 64.
A possibility that another exemplary, is radiated using plasma beam.
In the energy beam deformation used to make the bending of leading edge leg 33,34 equipped with the first guide rail assembly 47
In the case where, by means of suitably positioning and/or manual control system makes beam emissions optical system 66 in the longitudinal direction of slide body 24
It is guided on direction along transitional region 28 to be processed.Corresponding leading edge leg 33,34 is existed with its curved actual bending line
Occur at following position, that is, energy beam 64 is applied in transitional region 28 at this location.Energy is appeared in the zone of action
The interaction between beam and the metal material of slide body 24 is measured, so that the latter is locally heated, wherein can also lead to office completely
The fusing in portion.In the case where being next to this cooling, stress relieving in the material of slide body 24 has activated bending process
63 and related to this angle change of the leading edge leg 33,34 about centre portion 32.
In Fig. 4, chain-dotted line shows the line for being next referred to as radiation 67, in the transitional region 28 of preferably arc
Inside radius be in the consistent longitudinally extending with the longitudinal axis 2 of linear unit 1 of slide body 24.Energy is guided along the radiation 67
Measure beam 64, wherein energy beam movement is shown by arrow with 68.
Preferably, energy beam movement 68 is to cross the continuous radiation of the whole length of associated leading edge leg 33,34
Curve carries out.According to the required intensity of energy input, radiation curve however can also be at least partly or whole point-by-point with it
Ground occurs, and can be, for example, to analogy that spot welding is such.
Energy radiation can at one or two transitional region 28 with the unique irradiation stage of only one come realize or also
Can irradiation stage by means of more, successive in time realize.Each irradiation stage is suitably associated by crossing
The complete laser excess of stroke of the whole length of transitional region 28 is constituted.It, can be with the reciprocal direction of motion in order to save the time
Implement at least two successive irradiation stages.
It should be understood that the power and/or movement speed of energy beam 64 suitably can change and matches according to demand.
It can occur to check measurement between each processing stage, in order to examine the quality of deformation results.
It can have been stated by explanation up to the present, when the state being still not installed in sliding block 4 at main casing 7
It is advantageous when the middle energy radiation for executing slide body 24.
The exact shape of slide body 24 is preferably generated by the bending deformation of slab part.The method of plate deformation, which is realized, to be slided
The manufacture of the cost-effective of block 24, however it is but related to relatively large manufacturing tolerance.It especially may occur in which following molding accuracy,
It damages the collimation between two the second guide rail assemblies 48.
In the case where manufacturing linear unit, thus suitably execute have by generate limit prestressing force for the purpose of
The inspection of shape retention is executed before energy radiation.Here, if should can determine form variations and especially can determine flat
Row sexual deviation then makes one or two transitional region 28 be subjected to energy pre-irradiated point by point, establishes the phase by the energy pre-irradiated
The molding accuracy of prestige.Here, in the case where used deformation principle used in the prestressing force limited in adjustment with radiating
It is identical, wherein use identical radiation device 65 in an advantageous manner, be also used to deformation quantity dA deformation.Here it fits
Preferably, when establishing desired molding accuracy after terminating pre-irradiated and especially between two the second guide rail assemblies 48
After collimation, the determination of the practical spacing A2 (I) of slide body 24 just occurs.
Preferably, between the first guide rail assembly 47 for also checking for main casing 7 before the prestressing force that adjustment limits
Collimation.It is such case when manufacturing main casing 7 particularly by the bending deformation of slab part.If shape has been determined when checking
Shape accuracy, then can analogy be previously with regard to pre-irradiated measure described in slide body 24 main casing 7 radiated by energy point by point
Establish the collimation between the first guide rail assembly 47.Here, preferably being radiated in the region of guide ribs 53.
When the second guide rail assembly 48 be arranged in leading edge leg 33,34 back to mutual outside and associated
When first guide rail assembly 47 is located at the inside of the facing each other of the guide ribs 53 of main casing 7, it correspondingly can be used and be used for
Adjust the method that the prestressing force of the restriction of linear guide apparatus 6 is described.Here then from opposite with sliding block inner space 27
Act the beam energy input for the remaining deformation for incur leading edge leg 33,34 in outside.The then so guidance of energy beam 64, makes
It is obtained not impact differently at the recessed inside of transitional region 28 in the case where the embodiment up to the present described,
And occur from convex outside.
Claims (15)
1. a kind of method for manufacturing linear unit, the linear unit has main casing (7) and can be by means of linear guide
Device (6) about the main casing (7) on the axis direction of the longitudinal axis (5) of the linear unit (1) it is linear movably by
The sliding block (4) of guidance, wherein be disposed at the main casing (7) linear guide apparatus (6) band there are two perpendicular to
The longitudinal axis (5) is separated from each other the first guide structure (43) of the first guide rail assembly of ground (47), and in the cunning
Block (4) is disposed with the band of the linear guide apparatus (6), and there are two be also perpendicular to that the longitudinal axis (5) is separated from each other the
The second guide structure (44) of two guide rail assemblies (48), wherein first guide rail assembly (47) and the second guidance
Rail assembly (48) is opposite in couples in the case where vacating traveling gap (54) and sets, and in each traveling gap (54)
It is disposed with multiple guide rail assemblies for correspondingly rollably sticking on two associated traveling gaps (54) of limitation
The roller element component (55) of roller element (56) at (47,48), wherein the sliding block (4) has band made of metal
There is the slide body (24) of the single type of U-shaped cross-section, and the second guide rail assembly (48) construction is in the slide body (24)
Two centre portions (32) by the slide body (24) downwards towards extending away from the direction of the main casing (7)
At leading edge leg (33,34), which is characterized in that the roller element component (55) is clamped in associated by it with the prestressing force of restriction
Guide rail assembly (47,48) between, wherein the prestressing force of the restriction by the leading edge leg (33,34) extremely
Lack the lasting bending that a leading edge leg carries out in terms of the centre portion (32) to adjust, wherein the leading edge leg
(33,34) curve through the slide body (24) be located at the centre portion (32) and the leading edge leg (33,34) it
Between transitional region (28) caused by means of the energy of short duration heating facilitated of radiation.
2. the method according to claim 1, wherein the slide body (24) of the single type is manufactured into plate benging
Part.
3. the method according to claim 1, wherein in order to adjust the prestressing force of the restriction, by means of energy
Radiate two leading edge legs of the only one being bent in the leading edge leg (33,34) in terms of the centre portion (32) or bending
(33,34)。
4. according to the method in any one of claims 1 to 3, which is characterized in that the energy radiation is by means of laser spoke
It penetrates to realize.
5. according to the method in any one of claims 1 to 3, which is characterized in that at least one transitional region (28)
To follow the lasting radiation curve of the axis direction of the longitudinal axis (2) of the slide body (24) to execute the energy radiation.
6. according to the method in any one of claims 1 to 3, which is characterized in that at least one transitional region (28)
To follow the point-by-point radiation curve of the axis direction of the longitudinal axis (2) of the slide body (24) to execute the energy radiation.
7. according to the method in any one of claims 1 to 3, which is characterized in that at least one transitional region (28)
The energy radiation is executed with only one irradiation stage or by means of multiple irradiation stages successive in time.
8. according to the method in any one of claims 1 to 3, which is characterized in that in the slide body (24) from the master
The energy radiation of the slide body (24) is executed in the state that shell (7) is removed.
9. according to the method in any one of claims 1 to 3, which is characterized in that second guide rail assembly (48)
Construction is at the inside of the facing each other of the leading edge leg (33,34) and the energy of at least one transitional region (28)
The assembly in the sliding block (4) radiated in the slide body (24) uses the bottom side towards the main casing (7) in position
(26) occur at.
10. according to the method in any one of claims 1 to 3, which is characterized in that in order to manufacture the slide body (24)
The prestressing force for suitably adjusting the restriction later measures between reality between described two second guide rail assemblies (48)
Away from (A2 (I)) and with by there are spacing (A1) and the roller elements between described two first guide rail assemblies (47)
(56) sum of double diameter (DW) composition is made comparisons, and deformation quantity (dA) is determined based on comparative result to this, in order to constantly
Make leading edge leg (33,34) be bent, in order in the assembled state of the linear unit (1) linear guide apparatus (6) with
The interior prestressing force for obtaining desired restriction radiates the transitional region (28) at least one to this such energy, so that described
At least one of leading edge leg (33,34) is so bent, to adjust between second guide rail assembly (48) theoretical
Spacing (A2 (S)), the theory spacing subtract previously determined deformation quantity (dA) by measured practical spacing (A2 (I)) and constitute.
11. according to the method described in claim 10, it is characterized in that, in order to suitably adjust the prestressing force of the restriction and
After determining the deformation quantity (dA), sequentially or simultaneously energy radiates two transitional regions (28) in time, so that two are drawn
Guide margin leg (33,34) bending, suitably so bending, so that described two leading edge legs (33,34) are bent in the same amount.
12. according to the method in any one of claims 1 to 3, which is characterized in that the prestressing force for adjusting the restriction it
Preceding collimation of the inspection between second guide rail assembly (48) and lead in the case where determining molding accuracy
Cross one or two transitional region (28) of energy pre-irradiated point by point and the thus local deformation of the caused slide body (24)
The collimation is established between second guide rail assembly (48).
13. according to the method for claim 12, which is characterized in that also checked for before the prestressing force for adjusting the restriction
Collimation between first guide rail assembly (47), and point by point can determining to pass through in the case where forming accuracy
Amount radiates the main casing (7) and establishes the collimation between first guide rail assembly (47).
14. according to the method in any one of claims 1 to 3, which is characterized in that first guide rail assembly (47)
It is configured with that only one is unique, the longitudinal axis (5) in the linear unit (1) respectively with second guide rail assembly (48)
Axis direction on the guide rail (47a, 48a) that extends and/or each guide rail assembly (47,48) have at least
One guide rail (47a, 48a), is implemented as the concave portion of flute profile.
15. according to the method in any one of claims 1 to 3, which is characterized in that the linear unit (1) is linearly to drive
Dynamic portion (1a), equipped with being configured to generate the driving element (8) of the linear route movement (3) of the sliding block (4).
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DEDE102015219722.0 | 2015-10-12 | ||
| DE102015219722.0A DE102015219722A1 (en) | 2015-10-12 | 2015-10-12 | Process for producing a linear unit |
| PCT/EP2016/073683 WO2017063916A1 (en) | 2015-10-12 | 2016-10-04 | Method for producing a linear unit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108138845A CN108138845A (en) | 2018-06-08 |
| CN108138845B true CN108138845B (en) | 2019-09-17 |
Family
ID=57068115
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201680059801.2A Active CN108138845B (en) | 2015-10-12 | 2016-10-04 | Method for manufacturing linear unit |
Country Status (3)
| Country | Link |
|---|---|
| CN (1) | CN108138845B (en) |
| DE (1) | DE102015219722A1 (en) |
| WO (1) | WO2017063916A1 (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102019004305B4 (en) * | 2019-06-18 | 2022-11-03 | Festo Ag & Co. Kg | Linear unit and method of manufacturing a linear unit |
| DE102021129641A1 (en) | 2021-11-15 | 2023-05-17 | Bayerische Motoren Werke Aktiengesellschaft | Method for manufacturing a cell housing for a battery cell and a cell housing |
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| JP5664843B2 (en) | 2010-04-07 | 2015-02-04 | Smc株式会社 | Linear actuator |
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- 2016-10-04 WO PCT/EP2016/073683 patent/WO2017063916A1/en active Application Filing
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| JP2003061297A (en) * | 2001-08-09 | 2003-02-28 | Nippon Densan Corp | Drive motor for record disk, and manufacturing method thereof |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN108138845A (en) | 2018-06-08 |
| WO2017063916A1 (en) | 2017-04-20 |
| DE102015219722A1 (en) | 2017-04-13 |
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